This is a Katolight heavy-duty standby generator. It’s a true 25,000 watt (31.2 KVA) unit, not the fake, overrated numbers you see on most cheap generators being sold today. You can start and run a 15 HP (20+ with a freq-drive control) motor with this generator. The engine alone weighs twice what a complete, comparably rated generator weighs. It can be wired for 480 V. three Phase, 240 V. Three Phase or 240 / 120 Volt Single Phase. It’s mounted on a Heavy Duty, single axle trailer with internal fuel tank. It has less than 50 hours total running time, meaning the legendary 62 HP, Wisconsin V-4 Gasoline engine driving the generator is not even broken in yet. It was left unattended for a time and thus taken apart and meticulously refurbished by factory trained experts. It can run continuously without overheating or overloading (unlike many cheaper units). It is rated for "Standby" use which means it includes circuitry for auto-start from a relay, timeclock, transfer switch etc. The Wisconsin engine is renowned for its reliability and indestructibility and is air-cooled, so no fussing with coolant, radiators hoses etc. The Kato generator is the same configuration and quality as Caterpillar. At 25 true Kilowatts, this thing can run a business or 5-8 homes, depending on total load. Comparable units with as much as 16,000 hours on them are selling currently for $30,000.00 to $41,000.00.